The main compound of Flourish Excel (Glutaraldehyde) is used in the agriculture as pesticide and is used to disinfect and sterilize heat-sensitive equipment (source). That said, Flourish Excel can and will kill algae and plants if it is overdosed.
If used in very large quantities, Flourish Excel can kill fish too
.
Can you overdose Flourish Excel?
Seachem recommends dosing 5 ml/10 gallons after every water change. That is really an overdose, and
it will kill back vals and other sensitive plants
.
Does flourish affect fish?
SAFETY:
Seachem Flourish Advance is non-toxic and completely safe for all plant varieties as well as for fish and aquatic organisms
.
Can you add seachem flourish with fish in tank?
Possibly. Flourish® is exclusively intended for freshwater planted tanks and
not every type of aquarium fish is suited to this type of environment
. Research your fish to know what kind of aquarium environment they prefer.
Is Flourish Excel and algaecide?
By dosing with Flourish ExcelTM you bypass the involvement of CO2 and introduce the already finished, structurally similar compounds. It is in its structural similarity that Flourish ExcelTM is able to be utilized in the carbon chain building process of photosynthesis.”
Seachem Excel is also known as an algaecide
.
Is Flourish Excel safe for shrimp?
It works great in shrimp tank with plants
. People have said it kills shrimp but that only happens when you OVERDOSE. My plants are growing great in my shrimp tank and have been dosing excel every other day. Great algae killer as well.
Do root tabs affect fish?
Are root tabs safe for fish, shrimp, and snails?
Yes, our brand of root tabs is safe for all animals
. The reason is because we use actual soil in our root tabs that is nontoxic if the nutrients get released into the water column.
What’s the difference between seachem flourish and flourish excel?
Registered.
Excel supplies carbon and Flourish supplies trace minerals
. When you does Excel, you’re relying on water changes and fish waste to supply all your fishes’ needs. When you only dose Flourish, you’re relying on atmospheric CO2 to supply carbon, and also the CO2 your fish respire.
Is flourish safe for shrimp and snails?
Yes, Flourish® is safe to use with shrimp
. It is true that in large amounts copper can be toxic to aquatic animals, and invertebrates like shrimp and snails can be particularly sensitive.
Is CO2 necessary for planted aquarium?
CO2 is arguably the most important element in the planted aquarium
. It is required for respiration and growth by all aquatic plants, used in a process called photosynthesis. Plants require a constant supply of CO2 during the light hours, otherwise they can suffer.
Can Flourish Excel replace CO2?
By dosing with Flourish ExcelTM you bypass the involvement of CO2 and introduce the already finished, structurally similar compounds
. It is in its structural similarity that Flourish ExcelTM is able to be utilized in the carbon chain building process of photosynthesis.
How often should I use flourish?
Use 1 capful (5 mL) for each 250 L (60 US gallons)
once or twice a week
. For smaller doses, please note that each cap thread is approximately 1 mL. Refrigeration is recommended 3 months after opening. Considerations: When using in conjunction with Flourish TraceTM, dose on alternate days.
Should I use Flourish Excel?
Flourish Excel is one of the best liquid carbons out there. It is made by the well-known brand in the aquarium hobby: Seachem. Flourish Excel cannot replace a traditional CO2 system. However,
if it is dosed correctly, can be really effective growing aquarium plants
.
Can you overdose flourish?
Well,
many of the trace minerals can be toxic at overdose levels
. For example, there is copper in Flourish Comprehensive. If you are repeatedly using too much the copper may build up to toxic levels, probably first noticed by a die-off of shrimp.
Does flourish excel need to be refrigerated?
They recommend refrigeration,but do not require it
. The first effect of a disaster is to spread a deeper gloom than is due the occasion.
Is flourish safe for snails?
Continuing doses of Seachem Fourish Excel won’t do harm to the snails
, but the initial dose may have done some damage.
Will Flourish tabs hurt shrimp?
Some amount of copper is fine
. I use Flourish Comp in my tank without any issues and it also contains copper. Some shrimp keepers also use Flourish Trace which has higher concentrations of copper in it without issues.
Will seachem flourish harm shrimp?
Specifically with Flourish: 200mls per 20 gallons of tank
caused no adversed effects on any shrimp or fish
.
Do root tabs cause ammonia spike?
The flourish tabs wont cause an ammonia spike
, they really dont contain any nitrogen period. If you disturbed your substrate a lot its possible that could have stirred something up.
Does fertilizer hurt fish?
When manure or commercial fertilizers enter surface water, the nutrients they release stimulate microorganism growth. The growth and reproduction of microorganisms reduce the dissolved oxygen content of the water body.
Without sufficient dissolved oxygen in surface water, fish and other aquatic species suffocate
.
Do flourish tabs dissolve?
In most cases, a substrate fertilizer like this Flourish Tabs is not necessary if you already add liquid fertilizer. The principle also works in both directions.
When you add a solid fertilizer to the substrate, eventually it will dissolve and make its way to the water column
.
Can I use flourish and Flourish Excel together?
Short version: Flourish, Excel, Trace, Iron and Potassium are
OK to mix together, though should be diluted
.
Can you use Seachem flourish and Flourish Excel together?
It’s safe to use Flourish ExcelTM alongside any of the other Seachem® products that are recommended for freshwater planted systems
.
Does flourish have nitrogen?
Flourish NitrogenTM is a concentrated (15,000 mg/L) blend of nitrogen sources
. It provides nitrogen in both the nitrate form and the plant–preferred ammonium form.
