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Can we share mixing jug/beaker for developer, fixer and stop bath?
Ilford Rapid Fixer colorIs stop bath necessary for black and white prints?10 months-old Ilford “Rapid Fixer” concentrate, is it still safe?B&W Negative Tray Developing: Uneven DevelopmentCan I develop black and white photo paper with T-Max developer?35mm film - put fixer immediately after developer instead of waterUneven tank developmentWhat are these circular splotches on my negatives?How much developer/stop/fixer do I need with 120 film?What is the correct developer for BW Kodak Tmax 400?
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I have developer, fixer, and stop bath concentrate.
To make solution we usually use mixing jug/beaker.
Should we dedicate one mixing jug for each one of the component above?
Or can we just use one for three of them?
film developing chemicals fixer stop-bath
add a comment |
I have developer, fixer, and stop bath concentrate.
To make solution we usually use mixing jug/beaker.
Should we dedicate one mixing jug for each one of the component above?
Or can we just use one for three of them?
film developing chemicals fixer stop-bath
add a comment |
I have developer, fixer, and stop bath concentrate.
To make solution we usually use mixing jug/beaker.
Should we dedicate one mixing jug for each one of the component above?
Or can we just use one for three of them?
film developing chemicals fixer stop-bath
I have developer, fixer, and stop bath concentrate.
To make solution we usually use mixing jug/beaker.
Should we dedicate one mixing jug for each one of the component above?
Or can we just use one for three of them?
film developing chemicals fixer stop-bath
film developing chemicals fixer stop-bath
edited 7 hours ago
mattdm
125k40 gold badges368 silver badges667 bronze badges
125k40 gold badges368 silver badges667 bronze badges
asked 13 hours ago
neversaintneversaint
4482 silver badges11 bronze badges
4482 silver badges11 bronze badges
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
You can use the same container and mixing utensils and thermometer etc. for mixing. This is valid provided you take care to rinse well between solutions. Also, the items must not be porous (ceramic etc.). If you are in doubt regarding your ability to properly rinse, you can still proceed if containers and utensils are seasoned. To season, save small quantities of the fluids for this purpose. Rinse thoroughly then season with a dilute solution. Suppose you are to prepare a developer solution and are in doubt as to the cleanliness. Rinse with a dilute solution of developer (may be used or otherwise expired), then rinse with clean water. This act will prevent contamination due to improper cleansing.
add a comment |
While you can use the same mixing jug, provided some precautions as Alan Marcus mentions...I'm somewhat confused as to the why of this. Ideally, you've got separate storage containers for your mixed stop, fix, and perma-wash (and photo Flo, if you use it). You can measure your chemicals in your measuring device of choice and then add to your storage container filled with the awaiting water1. Doing this, the only thing that you reuse is the measuring device.
In addition to what Marcus said about rinsing and seasoning methods - go in order of development. Mix up your stop batch, then fix, then perma-wash. Even if you were drastically sloppy, a little bit of leftover fix in the perma-wash won't kill a full batch, (though you may reduce the life of the batch). Going the other way around can really mess things up for you.
1: Adding strong acids/bases and water together releases a lot of heat. Because of this, it's a good idea to add acid/base to water (instead of water to acid/base) and to go slowly. Now, photo chemistry is fairly benign - but I'd encourage the practice anyway, along with good chemistry lab practices in general, in case you decide to get into more caustic photo chemistry later. You'll have a good base of second-nature skills.
thanks. So reusing 'measuring device' has no harm?
– neversaint
3 hours ago
@neversaint none what-so-ever. I use the same one to measure all of my chemicals with a solid rinse in between. Like Alan said, if you're not confident in your rinsing, you can add a little of whatever chemical you're on, move it around, and rinse again. Even if you were terribly sloppy, some stop in the fix won't do anything. Some fix in the perma-wash will lessen it's lifespan, but otherwise not cause issue.
– Hueco
3 hours ago
Consider that all chemicals will eventually pass through the same development tank (with appropriate rinsing). Mixing directly in the storage containers reduces risk of accidental contamination and amount of equipment that needs to be cleaned later.
– xiota
2 hours ago
@xiota film shooters: I'm going to take this image and then spend at least another two days between developing and perfecting a print. Also film shooters: too damn lazy to clean more than one beaker. ;-)
– Hueco
2 hours ago
Note: "Mixing in the storage containers" being safe has a catch: Powdered chemicals like ID-11 or D76 must be mixed in a container large enough for the entire kit volume. Ie, Do NOT try to split the powder of a 5L kit across 20 250ml bottles before mixing with water. Mix the whole 5L as a single unit and let rest before dividing into the smaller storage bottles.
– TheLuckless
2 hours ago
|
show 3 more comments
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2 Answers
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2 Answers
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You can use the same container and mixing utensils and thermometer etc. for mixing. This is valid provided you take care to rinse well between solutions. Also, the items must not be porous (ceramic etc.). If you are in doubt regarding your ability to properly rinse, you can still proceed if containers and utensils are seasoned. To season, save small quantities of the fluids for this purpose. Rinse thoroughly then season with a dilute solution. Suppose you are to prepare a developer solution and are in doubt as to the cleanliness. Rinse with a dilute solution of developer (may be used or otherwise expired), then rinse with clean water. This act will prevent contamination due to improper cleansing.
add a comment |
You can use the same container and mixing utensils and thermometer etc. for mixing. This is valid provided you take care to rinse well between solutions. Also, the items must not be porous (ceramic etc.). If you are in doubt regarding your ability to properly rinse, you can still proceed if containers and utensils are seasoned. To season, save small quantities of the fluids for this purpose. Rinse thoroughly then season with a dilute solution. Suppose you are to prepare a developer solution and are in doubt as to the cleanliness. Rinse with a dilute solution of developer (may be used or otherwise expired), then rinse with clean water. This act will prevent contamination due to improper cleansing.
add a comment |
You can use the same container and mixing utensils and thermometer etc. for mixing. This is valid provided you take care to rinse well between solutions. Also, the items must not be porous (ceramic etc.). If you are in doubt regarding your ability to properly rinse, you can still proceed if containers and utensils are seasoned. To season, save small quantities of the fluids for this purpose. Rinse thoroughly then season with a dilute solution. Suppose you are to prepare a developer solution and are in doubt as to the cleanliness. Rinse with a dilute solution of developer (may be used or otherwise expired), then rinse with clean water. This act will prevent contamination due to improper cleansing.
You can use the same container and mixing utensils and thermometer etc. for mixing. This is valid provided you take care to rinse well between solutions. Also, the items must not be porous (ceramic etc.). If you are in doubt regarding your ability to properly rinse, you can still proceed if containers and utensils are seasoned. To season, save small quantities of the fluids for this purpose. Rinse thoroughly then season with a dilute solution. Suppose you are to prepare a developer solution and are in doubt as to the cleanliness. Rinse with a dilute solution of developer (may be used or otherwise expired), then rinse with clean water. This act will prevent contamination due to improper cleansing.
answered 11 hours ago
Alan MarcusAlan Marcus
26.7k3 gold badges30 silver badges63 bronze badges
26.7k3 gold badges30 silver badges63 bronze badges
add a comment |
add a comment |
While you can use the same mixing jug, provided some precautions as Alan Marcus mentions...I'm somewhat confused as to the why of this. Ideally, you've got separate storage containers for your mixed stop, fix, and perma-wash (and photo Flo, if you use it). You can measure your chemicals in your measuring device of choice and then add to your storage container filled with the awaiting water1. Doing this, the only thing that you reuse is the measuring device.
In addition to what Marcus said about rinsing and seasoning methods - go in order of development. Mix up your stop batch, then fix, then perma-wash. Even if you were drastically sloppy, a little bit of leftover fix in the perma-wash won't kill a full batch, (though you may reduce the life of the batch). Going the other way around can really mess things up for you.
1: Adding strong acids/bases and water together releases a lot of heat. Because of this, it's a good idea to add acid/base to water (instead of water to acid/base) and to go slowly. Now, photo chemistry is fairly benign - but I'd encourage the practice anyway, along with good chemistry lab practices in general, in case you decide to get into more caustic photo chemistry later. You'll have a good base of second-nature skills.
thanks. So reusing 'measuring device' has no harm?
– neversaint
3 hours ago
@neversaint none what-so-ever. I use the same one to measure all of my chemicals with a solid rinse in between. Like Alan said, if you're not confident in your rinsing, you can add a little of whatever chemical you're on, move it around, and rinse again. Even if you were terribly sloppy, some stop in the fix won't do anything. Some fix in the perma-wash will lessen it's lifespan, but otherwise not cause issue.
– Hueco
3 hours ago
Consider that all chemicals will eventually pass through the same development tank (with appropriate rinsing). Mixing directly in the storage containers reduces risk of accidental contamination and amount of equipment that needs to be cleaned later.
– xiota
2 hours ago
@xiota film shooters: I'm going to take this image and then spend at least another two days between developing and perfecting a print. Also film shooters: too damn lazy to clean more than one beaker. ;-)
– Hueco
2 hours ago
Note: "Mixing in the storage containers" being safe has a catch: Powdered chemicals like ID-11 or D76 must be mixed in a container large enough for the entire kit volume. Ie, Do NOT try to split the powder of a 5L kit across 20 250ml bottles before mixing with water. Mix the whole 5L as a single unit and let rest before dividing into the smaller storage bottles.
– TheLuckless
2 hours ago
|
show 3 more comments
While you can use the same mixing jug, provided some precautions as Alan Marcus mentions...I'm somewhat confused as to the why of this. Ideally, you've got separate storage containers for your mixed stop, fix, and perma-wash (and photo Flo, if you use it). You can measure your chemicals in your measuring device of choice and then add to your storage container filled with the awaiting water1. Doing this, the only thing that you reuse is the measuring device.
In addition to what Marcus said about rinsing and seasoning methods - go in order of development. Mix up your stop batch, then fix, then perma-wash. Even if you were drastically sloppy, a little bit of leftover fix in the perma-wash won't kill a full batch, (though you may reduce the life of the batch). Going the other way around can really mess things up for you.
1: Adding strong acids/bases and water together releases a lot of heat. Because of this, it's a good idea to add acid/base to water (instead of water to acid/base) and to go slowly. Now, photo chemistry is fairly benign - but I'd encourage the practice anyway, along with good chemistry lab practices in general, in case you decide to get into more caustic photo chemistry later. You'll have a good base of second-nature skills.
thanks. So reusing 'measuring device' has no harm?
– neversaint
3 hours ago
@neversaint none what-so-ever. I use the same one to measure all of my chemicals with a solid rinse in between. Like Alan said, if you're not confident in your rinsing, you can add a little of whatever chemical you're on, move it around, and rinse again. Even if you were terribly sloppy, some stop in the fix won't do anything. Some fix in the perma-wash will lessen it's lifespan, but otherwise not cause issue.
– Hueco
3 hours ago
Consider that all chemicals will eventually pass through the same development tank (with appropriate rinsing). Mixing directly in the storage containers reduces risk of accidental contamination and amount of equipment that needs to be cleaned later.
– xiota
2 hours ago
@xiota film shooters: I'm going to take this image and then spend at least another two days between developing and perfecting a print. Also film shooters: too damn lazy to clean more than one beaker. ;-)
– Hueco
2 hours ago
Note: "Mixing in the storage containers" being safe has a catch: Powdered chemicals like ID-11 or D76 must be mixed in a container large enough for the entire kit volume. Ie, Do NOT try to split the powder of a 5L kit across 20 250ml bottles before mixing with water. Mix the whole 5L as a single unit and let rest before dividing into the smaller storage bottles.
– TheLuckless
2 hours ago
|
show 3 more comments
While you can use the same mixing jug, provided some precautions as Alan Marcus mentions...I'm somewhat confused as to the why of this. Ideally, you've got separate storage containers for your mixed stop, fix, and perma-wash (and photo Flo, if you use it). You can measure your chemicals in your measuring device of choice and then add to your storage container filled with the awaiting water1. Doing this, the only thing that you reuse is the measuring device.
In addition to what Marcus said about rinsing and seasoning methods - go in order of development. Mix up your stop batch, then fix, then perma-wash. Even if you were drastically sloppy, a little bit of leftover fix in the perma-wash won't kill a full batch, (though you may reduce the life of the batch). Going the other way around can really mess things up for you.
1: Adding strong acids/bases and water together releases a lot of heat. Because of this, it's a good idea to add acid/base to water (instead of water to acid/base) and to go slowly. Now, photo chemistry is fairly benign - but I'd encourage the practice anyway, along with good chemistry lab practices in general, in case you decide to get into more caustic photo chemistry later. You'll have a good base of second-nature skills.
While you can use the same mixing jug, provided some precautions as Alan Marcus mentions...I'm somewhat confused as to the why of this. Ideally, you've got separate storage containers for your mixed stop, fix, and perma-wash (and photo Flo, if you use it). You can measure your chemicals in your measuring device of choice and then add to your storage container filled with the awaiting water1. Doing this, the only thing that you reuse is the measuring device.
In addition to what Marcus said about rinsing and seasoning methods - go in order of development. Mix up your stop batch, then fix, then perma-wash. Even if you were drastically sloppy, a little bit of leftover fix in the perma-wash won't kill a full batch, (though you may reduce the life of the batch). Going the other way around can really mess things up for you.
1: Adding strong acids/bases and water together releases a lot of heat. Because of this, it's a good idea to add acid/base to water (instead of water to acid/base) and to go slowly. Now, photo chemistry is fairly benign - but I'd encourage the practice anyway, along with good chemistry lab practices in general, in case you decide to get into more caustic photo chemistry later. You'll have a good base of second-nature skills.
answered 8 hours ago
HuecoHueco
14.4k3 gold badges29 silver badges64 bronze badges
14.4k3 gold badges29 silver badges64 bronze badges
thanks. So reusing 'measuring device' has no harm?
– neversaint
3 hours ago
@neversaint none what-so-ever. I use the same one to measure all of my chemicals with a solid rinse in between. Like Alan said, if you're not confident in your rinsing, you can add a little of whatever chemical you're on, move it around, and rinse again. Even if you were terribly sloppy, some stop in the fix won't do anything. Some fix in the perma-wash will lessen it's lifespan, but otherwise not cause issue.
– Hueco
3 hours ago
Consider that all chemicals will eventually pass through the same development tank (with appropriate rinsing). Mixing directly in the storage containers reduces risk of accidental contamination and amount of equipment that needs to be cleaned later.
– xiota
2 hours ago
@xiota film shooters: I'm going to take this image and then spend at least another two days between developing and perfecting a print. Also film shooters: too damn lazy to clean more than one beaker. ;-)
– Hueco
2 hours ago
Note: "Mixing in the storage containers" being safe has a catch: Powdered chemicals like ID-11 or D76 must be mixed in a container large enough for the entire kit volume. Ie, Do NOT try to split the powder of a 5L kit across 20 250ml bottles before mixing with water. Mix the whole 5L as a single unit and let rest before dividing into the smaller storage bottles.
– TheLuckless
2 hours ago
|
show 3 more comments
thanks. So reusing 'measuring device' has no harm?
– neversaint
3 hours ago
@neversaint none what-so-ever. I use the same one to measure all of my chemicals with a solid rinse in between. Like Alan said, if you're not confident in your rinsing, you can add a little of whatever chemical you're on, move it around, and rinse again. Even if you were terribly sloppy, some stop in the fix won't do anything. Some fix in the perma-wash will lessen it's lifespan, but otherwise not cause issue.
– Hueco
3 hours ago
Consider that all chemicals will eventually pass through the same development tank (with appropriate rinsing). Mixing directly in the storage containers reduces risk of accidental contamination and amount of equipment that needs to be cleaned later.
– xiota
2 hours ago
@xiota film shooters: I'm going to take this image and then spend at least another two days between developing and perfecting a print. Also film shooters: too damn lazy to clean more than one beaker. ;-)
– Hueco
2 hours ago
Note: "Mixing in the storage containers" being safe has a catch: Powdered chemicals like ID-11 or D76 must be mixed in a container large enough for the entire kit volume. Ie, Do NOT try to split the powder of a 5L kit across 20 250ml bottles before mixing with water. Mix the whole 5L as a single unit and let rest before dividing into the smaller storage bottles.
– TheLuckless
2 hours ago
thanks. So reusing 'measuring device' has no harm?
– neversaint
3 hours ago
thanks. So reusing 'measuring device' has no harm?
– neversaint
3 hours ago
@neversaint none what-so-ever. I use the same one to measure all of my chemicals with a solid rinse in between. Like Alan said, if you're not confident in your rinsing, you can add a little of whatever chemical you're on, move it around, and rinse again. Even if you were terribly sloppy, some stop in the fix won't do anything. Some fix in the perma-wash will lessen it's lifespan, but otherwise not cause issue.
– Hueco
3 hours ago
@neversaint none what-so-ever. I use the same one to measure all of my chemicals with a solid rinse in between. Like Alan said, if you're not confident in your rinsing, you can add a little of whatever chemical you're on, move it around, and rinse again. Even if you were terribly sloppy, some stop in the fix won't do anything. Some fix in the perma-wash will lessen it's lifespan, but otherwise not cause issue.
– Hueco
3 hours ago
Consider that all chemicals will eventually pass through the same development tank (with appropriate rinsing). Mixing directly in the storage containers reduces risk of accidental contamination and amount of equipment that needs to be cleaned later.
– xiota
2 hours ago
Consider that all chemicals will eventually pass through the same development tank (with appropriate rinsing). Mixing directly in the storage containers reduces risk of accidental contamination and amount of equipment that needs to be cleaned later.
– xiota
2 hours ago
@xiota film shooters: I'm going to take this image and then spend at least another two days between developing and perfecting a print. Also film shooters: too damn lazy to clean more than one beaker. ;-)
– Hueco
2 hours ago
@xiota film shooters: I'm going to take this image and then spend at least another two days between developing and perfecting a print. Also film shooters: too damn lazy to clean more than one beaker. ;-)
– Hueco
2 hours ago
Note: "Mixing in the storage containers" being safe has a catch: Powdered chemicals like ID-11 or D76 must be mixed in a container large enough for the entire kit volume. Ie, Do NOT try to split the powder of a 5L kit across 20 250ml bottles before mixing with water. Mix the whole 5L as a single unit and let rest before dividing into the smaller storage bottles.
– TheLuckless
2 hours ago
Note: "Mixing in the storage containers" being safe has a catch: Powdered chemicals like ID-11 or D76 must be mixed in a container large enough for the entire kit volume. Ie, Do NOT try to split the powder of a 5L kit across 20 250ml bottles before mixing with water. Mix the whole 5L as a single unit and let rest before dividing into the smaller storage bottles.
– TheLuckless
2 hours ago
|
show 3 more comments
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